🆚 Fancyapps vs. Polyfill
- 📈 Polyfill is noticeably more popular than Fancyapps.
- 🌎 Polyfill is more popular in the United States, Russia, and the United Kingdom.
- 🌍 Fancyapps is more popular in Turkey, Ukraine, and the Czech Republic.
Statistics based on 3.4M+ analyzed websites. About this data
PolyfillType
JavaScript library
JavaScript library
About
Fancyapps is a commercial library of 
JavaScript UI components that includes lightbox, carousel, and pan/zoom components.
Polyfill.io is an open-source JavaScript library that provides modern web API features to older browsers that do not natively support them.
After a supply chain attack in 2024 involving its cdn.polyfill.io domain, the service was discontinued and is now safely mirrored and maintained by 
Cloudflare under independent management.
Pricing
Free version ❌
Single€29
Extended€99
Business€399
Free ✔️Open source
Categories
JavaScript Libraries › Rank #13
JavaScript Libraries › Rank #4
Popularity
Determined by the number of sites using each technology.
The Polyfill JavaScript library is 1.8 times more popular than Fancyapps.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
Polyfill is more popular in the United States, Russia, and the United Kingdom, while Fancyapps is more popular in Turkey, Ukraine, and the Czech Republic.
United States
Russia
United Kingdom
Germany
Japan
Spain
Italy
France
Australia
Netherlands
Awards
- 🥈 Second most popular in the U.S. Virgin Islands in the JavaScript Libraries category.
- 🥉 Third most popular in Russia in the JavaScript Libraries category.
- ⭐ 4th most popular in the Czech Republic in the JavaScript Libraries category.
- ⭐ 4th most popular in Slovakia in the JavaScript Libraries category.
- ⭐ 4th most popular in Belarus in the JavaScript Libraries category.
- 🥈 Second most popular in Russia in the JavaScript Libraries category.
- 🥈 Second most popular in Belarus in the JavaScript Libraries category.
- 🥈 Second most popular in Jamaica in the JavaScript Libraries category.
- 🥈 Second most popular in Curacao in the JavaScript Libraries category.
- 🥈 Second most popular in the Turks and Caicos Islands in the JavaScript Libraries category.
Popularity by domain category
Determined by the number of sites in each category.
Polyfill is more popular among sites focused on business, marketing and merchandising, and online shopping, while Fancyapps is more commonly used on sports, government and military, and recreation and hobbies sites.
Business
Marketing/Merchandising
Online Shopping
Education/Reference
Blogs/Wiki
Internet Services
Travel
Entertainment
Health
Non-Profit/Advocacy/NGO
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Lightbox
LightGallery
Regenerator
Core-js
Fastly Polyfill
Babel🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,431,368 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.